CN102818391B - Double circulation refrigerating system with electric valve - Google Patents
Double circulation refrigerating system with electric valve Download PDFInfo
- Publication number
- CN102818391B CN102818391B CN201210341897.5A CN201210341897A CN102818391B CN 102818391 B CN102818391 B CN 102818391B CN 201210341897 A CN201210341897 A CN 201210341897A CN 102818391 B CN102818391 B CN 102818391B
- Authority
- CN
- China
- Prior art keywords
- motor
- valve
- evaporimeter
- capillary
- driven valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001816 cooling Methods 0.000 claims description 14
- 238000005057 refrigeration Methods 0.000 claims description 14
- 241001522296 Erithacus rubecula Species 0.000 claims description 13
- 210000003734 kidney Anatomy 0.000 claims description 4
- 230000008901 benefit Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005381 potential energy Methods 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical group C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Images
Landscapes
- Electrically Driven Valve-Operating Means (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention discloses a double circulation refrigerating system with an electric valve. The double circulation refrigerating system is characterized in that a compressor, a one-way valve, a condenser and the electric valve are successively connected, a capillary comprises a first capillary and a second capillary, and an evaporator comprises a first evaporator and a second evaporator; the electric valve is connected with the first evaporator through the first capillary, and the electric valve is connected with the second evaporator through the second capillary; one end of the first evaporator is connected with the first capillary, and the other end of the first evaporator is connected with the second evaporator; one end of the second capillary is connected with the electric valve, and a second end of the second capillary is connected between the first evaporator and the second evaporator; and the second evaporator is connected with the compressor, and the electric valve is connected with an exhaust port of the compressor through a pressure relief pipe. The double circulation refrigerating system with the electric valve provided by the invention has the advantages that the energy loss of a refrigerating system is effectively reduced, the noises are low, and the high stability of the refrigerating system is improved.
Description
Technical field
The present invention relates to a kind of double round robin cooling system that is provided with motor-driven valve.
Background technology
Normal domestic use refrigerator belongs to vapour compression refrigeration system more, is to open, stop realizing the control to the temperature inside the box by what control compressor.But compressor is out-of-work time, and the pressure of condenser and evaporimeter tends to balance, and in the process of balance, hot cold-producing medium flows into evaporimeter by capillary, makes refrigerator produce a part of meaningless energy loss.When compressor start, condenser and evaporimeter also some energy loss in the process that re-establishes pressure reduction, it is more that more frequent energy loss is opened, stopped to refrigerator.This part energy loss of holding, stopping causing due to compressor can cause the rising of refrigerator power consumption.
The Chinese invention patent that application number is 03112681.2, name is called " condenser pressure-retaining energy-saving in-box refrigerating system " discloses a kind of condenser pressurize power-saving technology, it utilizes moment that motor-driven valve stops at compressor by the port closing of condenser, maintain the pressure differential between condenser and evaporimeter, not allowing hot cold-producing medium flow into evaporimeter affects refrigeration.In the time that compressor starts again, can save the process that re-establishes pressure reduction, realize rapidly refrigeration for refrigerator.In order to help compressor start, reduce the pressure of blast pipe, above-mentioned " condenser pressure-retaining energy-saving in-box refrigerating system " also will design in the entry position of condenser " pressure release " loop including check valve.This traditional condenser pressurize power-saving technology, the motor-driven valve of use belongs to the bi-stable pulse electromagnetic valve of " 2/2-way ", and the motion switching mode of spool is linear reciprocation impact type.The defect of this magnetic valve maximum is that action noise is large, and itself cannot realize " pressure release " function, require specialized designs with special " the pressure release capillary " of condensation function or increase " 2/2-way " pressure release electromagnetic valve, the problem of bringing is thus pressure release loop " low-response ", closed check valve poor performance, parts are many, refrigerator energy-saving effect unstability.
Summary of the invention
The present invention is the weak point existing in above-mentioned prior art for avoiding, and a kind of double round robin cooling system that is provided with motor-driven valve is provided, so that realize cold-producing medium shunting, pressurize, pressure release multiple function.
The present invention be technical solution problem by the following technical solutions.
Be provided with the double round robin cooling system of motor-driven valve, its design feature is to comprise compressor, check valve, condenser, motor-driven valve, capillary and evaporimeter; Described compressor, check valve, condenser, motor-driven valve connect successively; Described capillary comprises the first capillary and the second capillary, and described evaporimeter comprises the first evaporimeter and the second evaporimeter; Described motor-driven valve is connected with the first evaporimeter by the first capillary, and described motor-driven valve is connected with the second evaporimeter by the second capillary; One end of described the first evaporimeter is connected with described the first capillary, and the other end of described the first evaporimeter is connected with described the second evaporimeter; Described second one end capillaceous is connected with motor-driven valve, and described second the second end capillaceous is connected between the first evaporimeter and the second evaporimeter; Described the second evaporimeter is connected with described compressor; Described motor-driven valve is connected with the exhaust outlet of compressor by relief tube.
The design feature of the double round robin cooling system that is provided with motor-driven valve of the present invention is also:
Described motor-driven valve comprises valve seat, motor and valve gap; On described valve seat, be provided with an entrance, a pressure relief opening and multiple outlet, described pressure relief opening and outlet are positioned on the upper surface of valve seat; Described valve gap is sheathed on the top of described valve seat; Described motor is fixedly installed on described valve gap, and described motor comprises stator and rotor, and described stator is arranged on the outer surface of described valve gap, and described rotor is arranged among the inner chamber of described valve gap; The centre of described rotor is provided with axle and described rotor can be around the center line rotation of axle; The lower end of described axle is fixed with the spool that offers pressure-relief flow guide groove and groove, and the lower surface of described spool and the upper surface of described valve seat connect, described pressure-relief flow guide groove is opened on the lower surface of described spool, and described groove penetrates described spool along the thickness direction of described spool.
The below of described rotor is provided with projection, is also provided with limited block on described valve seat.
Described pressure-relief flow guide groove and groove are kidney slot; Described pressure-relief flow guide groove is straight shape groove, and described groove is deep-slotted chip breaker.
The valve seat of described motor-driven valve is provided with two outlets.
Compared with the prior art, beneficial effect of the present invention is embodied in:
Motor-driven valve of the present invention, arrive different positions by motor-driven valve valve core rotation, realize the functions such as refrigerator refrigerant shunting, cut-off, pressure release, make the hot cold-producing medium of high pressure in condenser can not enter evaporimeter after compressor shutdown, keep condenser mesohigh cold-producing medium institute tool potential energy, effectively reduce the energy loss in refrigeration system, reach energy-conservation object; Utilize the pressure release loop of motor-driven valve valve core inside, make check valve can realize quick closedown in the moment of compressor shutdown, improved refrigeration system energy-saving effect and stability, have the advantages that noise is low, stability is high.The spool of motor-driven valve drives rotation by stepper motor, has overcome the noise defect of bistable electromagnetic valve in commutation process in the past, has the advantage that noise is little.
The double round robin cooling system that is provided with motor-driven valve of the present invention, has the stability advantages of higher that energy loss, the noise that can effectively reduce in refrigeration system are low, can improve refrigeration system.
Accompanying drawing explanation
Fig. 1 is the pressure release state diagram of the double round robin cooling system that is provided with motor-driven valve of the present invention.
Fig. 2 is the front view of motor-driven valve of the present invention.
Fig. 3 is the cutaway view of motor-driven valve of the present invention.
Fig. 4 is the top view of the valve seat (two outlets) of motor-driven valve of the present invention.
Fig. 5 is the A-A cutaway view in Fig. 4.
Fig. 6 is the top view of the spool of motor-driven valve of the present invention.
Fig. 7 is the B-B cutaway view of Fig. 6.
Fig. 8 is the state diagram in the time of cut-off state while coordinating of the valve seat of motor-driven valve of the present invention and spool.
Fig. 9 is the state diagram in the time of pressure release state while coordinating of the valve seat of motor-driven valve of the present invention and spool.
Figure 10 is the state diagram in the time of open mode while coordinating of the valve seat of motor-driven valve of the present invention and spool.
Label in accompanying drawing 1～accompanying drawing 10: 1 compressor, 2 check valves, 3 condensers, 4 motor-driven valves, 41 valve seats, 411 entrances, 412 pressure relief openings, 413 outlets, 42 motors, 421 stators, 422 rotors, 4221 axles, 43 valve gaps, 44 spools, 441 guiding gutters, 442 grooves, 5 capillaries, 51 first capillaries, 52 second capillaries, 6 evaporimeters, 61 first evaporimeters, 62 second evaporimeters, 7 pressure release passages, 8 feed tubes, 9 drain pipes, 10 relief tubes, 11 power interfaces.
Below pass through the specific embodiment, and the invention will be further described by reference to the accompanying drawings.
The specific embodiment
Referring to Fig. 1～Figure 10, be provided with the double round robin cooling system of motor-driven valve, comprise compressor 1, check valve 2, condenser 3, motor-driven valve 4, capillary 5 and evaporimeter 6; Described compressor 1, check valve 2, condenser 3, motor-driven valve 4 connect successively; Described capillary 5 comprises the first capillary 51 and the second capillary 52, and described evaporimeter 6 comprises the first evaporimeter 61 and the second evaporimeter 62; Described motor-driven valve 4 is connected with the first evaporimeter 61 by the first capillary 51, and described motor-driven valve is connected with the second evaporimeter 62 by the second capillary 52; One end of described the first evaporimeter 61 is connected with described the first capillary 51, and the other end of described the first evaporimeter 61 is connected with described the second evaporimeter 62; One end of described the second capillary 52 is connected with motor-driven valve 4, and the second end of described the second capillary 52 is connected between the first evaporimeter 61 and the second evaporimeter 62; Described the second evaporimeter 62 is connected with described compressor 1; Described motor-driven valve 4 is connected with the exhaust outlet of compressor 1 by relief tube 7.Motor-driven valve is adjusted to described open mode along with the startup of compressor, compressor stop phase motor-driven valve is adjusted to described pressure release state or cut-off state.
On spool, be designed with pressure-relief flow guide groove and groove, on valve seat, be designed with pressure relief opening and outlet.In the time that the Spool rotating of motor-driven valve arrives pressure release state, between the pressure relief opening on motor-driven valve valve seat and outlet, by the pressure-relief flow guide groove institute conducting of valve core inside, the cold-producing medium in pressure relief opening can enter outlet by pressure-relief flow guide groove.When electronic rotation valve is during in cut-off state, pressure relief opening, outlet and entrance are blocked by spool, the state of motor-driven valve in disconnecting completely.
The valve core inside of motor-driven valve has designed " the pressure release loop " that be made up of relief tube and pressure relief opening that help compressor start, can make the responding ability of check valve improve, and reverse reliability of closing improves, and the stability of refrigerator energy-saving effect improves.Cold-producing medium shunting, pressurize, pressure release multiple function are realized with a rotary valve.
Described motor-driven valve 4 comprises valve seat 41, motor 42 and valve gap 43; On described valve seat 41, be provided with an entrance 411, pressure relief opening 412 and a multiple outlet 413, described pressure relief opening 412 and outlet 413 are positioned on the upper surface of valve seat 41; Described valve gap 43 is sheathed on the top of described valve seat 41; Described motor 42 is fixedly installed on described valve gap 43, and described motor 42 comprises stator 421 and rotor 422, and described stator 421 is arranged on the outer surface of described valve gap 43, and described rotor 422 is arranged among the inner chamber of described valve gap 43; The centre of described rotor 422 is provided with axle 4221 and described rotor 422 can be around the center line rotation of axle 4221; The lower end of described axle 4221 is fixed with the spool 44 that offers pressure-relief flow guide groove 441 and groove 442, and the upper surface of the lower surface of described spool 44 and described valve seat 41 connects, described pressure-relief flow guide groove 441 is opened on the lower surface of described spool 44, and described groove 442 penetrates described spool 44 along the thickness direction of described spool 44.
On the motor stator of motor-driven valve, be also provided with external power source interface 11, the motor that is motor-driven valve by external power source power supply.Described motor is stepper motor.In the time that spool 44 rotates, described motor-driven valve 4 can change between cut-off state, open mode and pressure release state.
Cut-off state is: between any one outlet 413 of the pressure-relief flow guide groove 441 of described spool 44 and groove 442 and described valve seat 41, all do not communicate, pressure relief opening 412 and outlet 413 are all blocked by spool 44, between entrance 411 and arbitrary outlet 413 or pressure relief opening 412, all do not communicate.
Open mode: the groove 442 of spool 44 be just positioned at outlet 413 directly over and pressure relief opening 412 blocked by spool 44, the groove 442 of described spool 44 communicates with the outlet 413 of described valve seat 41, the groove 442 of described entrance 411 by spool 44 is connected with outlet 413, and pressure relief opening 412 with export 413 and entrance 411 between all do not communicate.
Pressure release state: the pressure-relief flow guide groove 441 of spool 44 is just positioned at top and the groove 442 of outlet 413 and pressure relief opening 412 and is blocked by valve seat 41, between the pressure-relief flow guide groove 441 of spool 44 and the outlet 413 of described valve seat and pressure relief opening 412, be all connected, because pressure-relief flow guide groove 441 is positioned on the lower surface of spool 44 and does not penetrate described spool 44, therefore pressure-relief flow guide groove 441 be only from inside just pressure relief opening 412 and outlet 413 be connected, thereby described entrance 411 does not all communicate with arbitrary outlet 413, pressure relief opening 412.
Refrigeration system comprises compressor, check valve, condenser, motor-driven valve, capillary and evaporimeter; Described compressor, check valve, condenser, motor-driven valve, capillary and evaporimeter are connected successively, and one end of described evaporimeter is connected with capillary, and the other end of evaporimeter is connected with compressor, form a cycle refrigeration system.The pressure relief opening of the valve seat of described motor-driven valve is connected between compressor and check valve by relief tube, and when motor-driven valve is during in pressure release state, exhaust outlet of compressor is flowed to low pressure evaporator to a small amount of gases at high pressure in check valve.
Valve seat is that stairstepping is cylindrical, and lower cylinder diameter is large compared with upper cylinder, and lower cylinder is pedestal, and upper cylinder is and a cylinder table of the concentric setting of lower cylinder; Described pressure relief opening and outlet are arranged on the end face of described cylinder table.Described entrance is arranged at the public boundary place of described cylinder table and valve seat, i.e. the crossing position of the two.Rotor is cylindrical shape, and when assembling, cylinder table is positioned among the inner chamber of rotor just.Meanwhile, the center of cylinder table is provided with blind hole, and the lower end of axle is snapped among blind hole.The rotor of motor can drive axle to rotate together with spool.
The lower surface of spool and the upper surface of cylinder table connect, and spool can be covered on the pressure relief opening and outlet of valve seat just.Owing to there being pressure-relief flow guide groove and the groove of depression on spool, thereby the position of adjustment spool, can make pressure relief opening and outlet communicate with described pressure-relief flow guide groove or groove.By rotational angle and the rotation direction of control step motor, can realize motor-driven valve and mutually change between three kinds of states of appeal.
The different angle of valve core rotation is in the time of diverse location, and the state being connected between pressure relief opening, outlet and pressure-relief flow guide groove and groove also changes thereupon.Because entrance is positioned at cylinder table and valve seat intersection, thereby within cold-producing medium can enter the valve pocket being surrounded by valve gap and valve seat from entrance.In the time that the groove on spool communicates with the outlet on valve seat, when motor-driven valve is positioned at open mode, the cold-producing medium in condenser can flow out from outlet, realizes the circulation of cold-producing medium in refrigeration system.
The spool of motor-driven valve is in the time of initial position, and spool is all blocked pressure relief opening and outlet, and the cold-producing medium in condenser just cannot enter outlet, and motor-driven valve i.e. the state in turn-offing, i.e. above-mentioned cut-off state, and now the cold-producing medium in condenser cannot circulate.
Then, by stepper motor rotary rotor and spool, the pressure relief opening of valve seat is all connected with the pressure-relief flow guide groove of spool with outlet and groove is blocked, the gases at high pressure of exhaust outlet of compressor are successively by relief tube, pressure relief opening, outlet and capillary so, and then flow to low pressure evaporator, now refrigeration system is in pressure release state.A small amount of cold-producing medium between compressor exhaust pipe and check valve can be by pressure release loop stream to low pressure evaporator, and check valve rapidly " response " realization is closed.Make on the one hand the cold-producing medium of HTHP in compressor shutdown post-condenser can not flow into by motor-driven valve the evaporimeter of low-pressure low-temperature; maintain on the other hand the high pressure potential energy of condenser inner refrigerant; can freeze rapidly when compressor starts again, avoid the energy loss of compressor start-stop process.
Be rotated further again spool, when valve core rotation to groove with outlet communicate position time, when motor-driven valve is positioned at open mode, the cold-producing medium in valve pocket can from outlet flow out, make cold-producing medium to flow to capillary and evaporimeter from condenser.Pressure relief opening, by spool shutoff, makes cold-producing medium to flow to capillary and evaporimeter by condenser simultaneously.
The lower end of described valve seat is connected with many pipelines that communicate with described entrance, pressure relief opening and outlet, is respectively feed tube 8, relief tube 10 and drain pipe 9; It is one or more that its middle outlet may have one or more, corresponding drain pipe 9 also to have.Feed tube 8, relief tube 10 and drain pipe 9 are fixedly connected with the interface of valve seat bottom, are connected with entrance, pressure relief opening and outlet on valve seat by the corresponding passage in valve seat.Cold-producing medium enters motor-driven valve by feed tube, enters in the cavity that rotor and valve seat surround.Feed tube is connected with condenser, and drain pipe is connected with capillary.When groove is connected entrance with outlet, between feed tube and drain pipe, be connected, cold-producing medium can enter capillary and evaporimeter by motor-driven valve from condenser.
In single round-robin system cooling system, only have an outlet and a drain pipe.In the double round robin cooling system that is provided with motor-driven valve, there are two outlets and two drain pipes.In three-circulation refrigerating system, there are three outlets and three drain pipes.Drain pipe is connected with capillary by pipeline, and cold-producing medium is inputed to capillary and evaporimeter.
Motor-driven valve of the present invention, arrive different positions by motor-driven valve valve core rotation, realize the functions such as refrigerator refrigerant shunting, cut-off, pressure release, make the hot cold-producing medium of high pressure in condenser can not enter evaporimeter after compressor shutdown, keep condenser mesohigh cold-producing medium institute tool potential energy, effectively reduce the energy loss in refrigeration system, reach energy-conservation object; Utilize the pressure release loop of motor-driven valve valve core inside, make check valve can realize quick closedown in the moment of compressor shutdown, improved refrigeration system energy-saving effect and stability, have the advantages that noise is low, stability is high.The spool of motor-driven valve drives rotation by stepper motor, has overcome the noise defect of bistable electromagnetic valve in commutation process in the past, has the advantage that noise is little.
The below of described rotor 422 is provided with projection, on described valve seat 41, is also provided with limited block.One on the other, rotor is fastened on valve seat for rotor and valve seat.Rotor is tubular, and the below of rotor outer wall arranges described projection; The edge of the barrel of rotor and the lower cylindrical upper surface of valve seat fits; Limited block is located at lower cylindrical edge, can just block projection.In the time that rotor rotates certain angle, the projection of rotor below is stopped by the limited block of epirelief on valve seat just, with the rotational angle of restrict rotor.
On spool, be designed with pressure-relief flow guide groove and groove, on valve seat, be designed with pressure relief opening and outlet.In the time that the Spool rotating of motor-driven valve arrives pressure release state, between the pressure relief opening on motor-driven valve valve seat and outlet, by the pressure-relief flow guide groove institute conducting of valve core inside, the cold-producing medium in pressure relief opening can enter outlet by pressure-relief flow guide groove.When electronic rotation valve is during in cut-off state, pressure relief opening, outlet and entrance are blocked by spool, the state of motor-driven valve in disconnecting completely.
The valve core inside of motor-driven valve has designed " the pressure release loop " that be made up of relief tube and pressure relief opening that help compressor start, can make the responding ability of check valve improve, and reverse reliability of closing improves, and the stability of refrigerator energy-saving effect improves.Cold-producing medium shunting, pressurize, pressure release multiple function are realized with a rotary valve.
Described pressure-relief flow guide groove 441 and groove 442 are kidney slot; Described pressure-relief flow guide groove 441 is straight shape groove, and described groove 442 is deep-slotted chip breaker.Described pressure-relief flow guide groove extends along the surperficial straight line of spool, and the two sides of described kidney slot except the semicircle at two ends are plane.Described groove extends along spool camber line, and the two sides of described groove except the semicircle at two ends are arcwall face.Because groove is arcwall face, the center of two outlets is positioned at again on same circumference, thereby can make groove can cover two outlets simultaneously.
The valve seat 41 of described motor-driven valve 4 is provided with two outlets 413.
Claims (4)
1. the double round robin cooling system that is provided with motor-driven valve, is characterized in that, comprises compressor (1), check valve (2), condenser (3), motor-driven valve (4), capillary (5) and evaporimeter (6); Described compressor (1), check valve (2), condenser (3), motor-driven valve (4) connect successively; Described capillary (5) comprises the first capillary (51) and the second capillary (52), and described evaporimeter (6) comprises the first evaporimeter (61) and the second evaporimeter (62); Described motor-driven valve (4) is connected with the first evaporimeter (61) by the first capillary (51), and described motor-driven valve is connected with the second evaporimeter (62) by the second capillary (52); One end of described the first evaporimeter (61) is connected with described the first capillary (51), and the other end of described the first evaporimeter (61) is connected with described the second evaporimeter (62); One end of described the second capillary (52) is connected with motor-driven valve (4), and the second end of described the second capillary (52) is connected between the first evaporimeter (61) and the second evaporimeter (62); Described the second evaporimeter (62) is connected with described compressor (1); Described motor-driven valve (4) is connected with the exhaust outlet of compressor (1) by relief tube (7);
Described motor-driven valve (4) comprises valve seat (41), motor (42) and valve gap (43); On described valve seat (41), be provided with an entrance (411), a pressure relief opening (412) and multiple outlet (413), described pressure relief opening (412) and outlet (413) are positioned on the upper surface of valve seat (41); Described valve gap (43) is sheathed on the top of described valve seat (41); Described motor (42) is fixedly installed on described valve gap (43), described motor (42) comprises stator (421) and rotor (422), described stator (421) is arranged on the outer surface of described valve gap (43), and described rotor (422) is arranged among the inner chamber of described valve gap (43); The centre of described rotor (422) is provided with axle (4221) and described rotor (422) can be around the center line rotation of axle (4221); The lower end of described axle (4221) is fixed with the spool (44) that offers pressure-relief flow guide groove (441) and groove (442), and the upper surface of the lower surface of described spool (44) and described valve seat (41) connects, described pressure-relief flow guide groove (441) is opened on the lower surface of described spool (44), and described groove (442) penetrates described spool (44) along the thickness direction of described spool (44).
2. the double round robin cooling system that is provided with motor-driven valve according to claim 1, is characterized in that, the below of described rotor (422) is provided with projection, and described valve seat is also provided with limited block on (41).
3. the double round robin cooling system that is provided with motor-driven valve according to claim 1 and 2, is characterized in that, described pressure-relief flow guide groove (441) and groove (442) are kidney slot; Described pressure-relief flow guide groove (441) is straight shape groove, and described groove (442) is deep-slotted chip breaker.
4. the double round robin cooling system for refrigeration system according to claim 1 and 2, is characterized in that, the valve seat (41) of described motor-driven valve (4) is provided with two outlets (413).
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210341897.5A CN102818391B (en) | 2012-09-16 | 2012-09-16 | Double circulation refrigerating system with electric valve |
| PCT/CN2012/001505 WO2014040212A1 (en) | 2012-09-16 | 2012-11-08 | Electric valve and refrigeration system comprising same |
| EP12884521.1A EP2896855B1 (en) | 2012-09-16 | 2012-11-08 | Electric valve and refrigeration system comprising same |
| JP2015531412A JP6055923B2 (en) | 2012-09-16 | 2012-11-08 | Electric valve and single-cycle, double-cycle and triple-cycle refrigeration systems including electric valve |
| CA2881971A CA2881971C (en) | 2012-09-16 | 2012-11-08 | Electric valve and refrigeration system comprising same |
| AU2012389785A AU2012389785B2 (en) | 2012-09-16 | 2012-11-08 | Electric valve and refrigeration system comprising same |
| US14/428,367 US9683765B2 (en) | 2012-09-16 | 2012-11-08 | Electric valve and refrigerating system comprising the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210341897.5A CN102818391B (en) | 2012-09-16 | 2012-09-16 | Double circulation refrigerating system with electric valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102818391A CN102818391A (en) | 2012-12-12 |
| CN102818391B true CN102818391B (en) | 2014-07-09 |
Family
ID=47302669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210341897.5A Active CN102818391B (en) | 2012-09-16 | 2012-09-16 | Double circulation refrigerating system with electric valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102818391B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818392B (en) * | 2012-09-16 | 2014-07-09 | 合肥美菱股份有限公司 | Ternary circulation refrigerating system with electric valve |
| EP2896855B1 (en) | 2012-09-16 | 2017-11-08 | Hefei Meiling Co., Ltd | Electric valve and refrigeration system comprising same |
| JP6139928B2 (en) * | 2013-03-18 | 2017-05-31 | 日立アプライアンス株式会社 | Equipment with refrigerant switching valve |
| JP6585581B2 (en) * | 2016-12-21 | 2019-10-02 | 株式会社鷺宮製作所 | Motorized valve and cooling system using motorized valve |
| DE102017102841A1 (en) * | 2017-02-13 | 2018-08-16 | Otto Egelhof Gmbh & Co. Kg | Multi-way valve for controlling a refrigerant circuit |
| CN112944755B (en) * | 2021-03-31 | 2022-07-08 | 哈尔滨商业大学 | Refrigerant adjusting device for air conditioner |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3490383B2 (en) * | 2000-07-26 | 2004-01-26 | 株式会社東芝 | Electric valve and refrigerator |
| CN1246657C (en) * | 2003-01-11 | 2006-03-22 | 合肥美菱股份有限公司 | Condenser pressure-retaining energy-saving type refrigeration system for refrigerator |
| CN2811876Y (en) * | 2005-04-27 | 2006-08-30 | 苏州三星电子有限公司 | Air conditioner unloading circulator |
| CN101275678B (en) * | 2007-03-29 | 2011-09-07 | 浙江三花制冷集团有限公司 | Dynamoelectric switching valve and refrigerator refrigerating cycle apparatus |
| CN202813916U (en) * | 2012-09-16 | 2013-03-20 | 合肥美菱股份有限公司 | Double-circulation refrigerating system with electric valve |
-
2012
- 2012-09-16 CN CN201210341897.5A patent/CN102818391B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN102818391A (en) | 2012-12-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102818391B (en) | Double circulation refrigerating system with electric valve | |
| CN204328137U (en) | Dynamoelectric switching valve and use the refrigerator system of this valve | |
| CN202065504U (en) | Electric switch valve and refrigerator using same | |
| JP6055923B2 (en) | Electric valve and single-cycle, double-cycle and triple-cycle refrigeration systems including electric valve | |
| CN202091557U (en) | Electric switching valve and refrigerator using same | |
| CN202812309U (en) | Electrically operated valve for refrigerating system | |
| CN202813915U (en) | Single-circulation refrigerating system with electric valve | |
| CN202813916U (en) | Double-circulation refrigerating system with electric valve | |
| CN204312769U (en) | Dynamoelectric switching valve | |
| CN101424465A (en) | Self-operated three-way reversing valve | |
| CN102818392B (en) | Ternary circulation refrigerating system with electric valve | |
| CN202813864U (en) | Ternary-circulation refrigerating system with electric valve | |
| CN102840721B (en) | Single circulation refrigeration system provided with electric valve | |
| CN102242817B (en) | Refrigerant natural circulation combined type bypass throttle valve for special machine of machine room | |
| CN102829216B (en) | Electrically operated valve for refrigerating system | |
| CN201314733Y (en) | Self-operated three-way reversing valve | |
| CN107559433A (en) | A kind of dehumidifying electric expansion valve of air-conditioning system | |
| CN202118302U (en) | Bypass throttle valve for machine special for refrigerant and natural circulation combination machine room | |
| JP2013001268A (en) | Air conditioning device for vehicle | |
| CN201041452Y (en) | Hot water air conditioner refrigerator or cabinet | |
| JP3746839B2 (en) | Refrigeration cycle | |
| JP2001153491A (en) | Motor operated selector valve and refrigerating cycle equipment | |
| CN110966431A (en) | Switching valve and refrigerator that reliability is high | |
| CN211423451U (en) | Switching valve and refrigerator that reliability is high | |
| CN114608224B (en) | Circulation refrigerating system based on electric valve and control method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 230601 No. 2163 Lianhua Road, Hefei economic and Technological Development Zone, Anhui Patentee after: Changhong MeiLing Limited by Share Ltd Address before: 230601 technology center, Lianhua Road, Hefei economic and Technological Development Zone, Anhui, 2163 Patentee before: Hefei Meiling Co., Ltd. |